Study on the behavior of the trace metal and macro minerals in Mytilus galloprovincialis as a bioindicator species: the case of Marmara Sea, Turkey

  • Özkan Özden
  • Şafak Ulusoy
  • Nuray Erkan


Sea food is a major source of animal protein. Marine foods are very rich sources of mineral components. The total content of minerals in the raw flesh of marine fish and invertebrates is in the range of 0.6–1.5% wet weight. The contents of Na, K, Ca, Mg and P are up to 1 mg/100 g, whereas those of Fe, Zn, I are less than 1 mg/100 g. Mussels (Mytilus galloprovincialis) were investigated for macro and trace element composition throughout the year. Ranges of moisture, ash, protein and fat contents were 79.76–87.46 g/100 g, 1.06–2.06 g/100 g, 7.28–12.65 g/100 g and 0.33–3.49 g/100 g, respectively. While the highest protein and fat values were found in the summer (July–August), the highest moisture and ash contents were found in the winter (December–January). The contents of highest Na, K, Ca were found in the summer. Cadmium, lead and copper were found to be below the legislative limits throughout year. High levels of mercury were found in January and October. It should be discussed whether mussel may provide an alternative source of mineral for healthy nutrition.


Mussel Trace elements Mineral composition Season 



We thank Istanbul University Central Laboratory of Instrumental Analysis for mineral analysis. This work was supported by the Research Found of Istanbul University, Project Number YÖP-22/02102006.


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Copyright information

© Birkhäuser Verlag, Basel/Switzerland 2010

Authors and Affiliations

  1. 1.Department of Seafood Processing and Quality Control, Faculty of FisheriesIstanbul UniversityLaleli/IstanbulTurkey

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